Table 2.

Incidence of nausea and vomiting after surgery.

	DC group (n = 37)	DD group (n = 39)	DP group (n = 37)	P value
PACU
Nausea	19 (51.4%)	5 (12.8%)*	4 (10.8%)*	.000
Vomiting	14 (37.8%)	3 (7.7%)*	4 (10.8%)*	.001
0–24 h
Nausea	20 (54.1%)	17 (43.6%)	19 (51.4%)	.637
Vomiting	14 (37.8%)	5 (12.8%)*	5 (13.5%)*	.011

Comparison with DC group.

DD group = dexamethasone plus droperidol group, DC group = dexamethasone plus saline group, DP group = dexamethasone plus propofol group, PACU = postanesthesia care unit.

^*P < .05; Data are presented as the numbers of patients and the percentage in the parentheses.